Detections
Analytics

Oracle WebLogic Server Java Object Deserialization RCE (CVE-2020-2883)

critical Nessus Plugin ID 138074

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Synopsis

An application server installed on the remote host is affected by a remote code execution vulnerability.

Description

The version of Oracle WebLogic Server installed on the remote host is affected by a remote code execution vulnerability in the WLS Core Components subcomponent due to unsafe deserialization of Java objects. An unauthenticated remote attacker can exploit this, via a crafted serialized Java object, to execute arbitrary commands.

Solution

Apply the appropriate patch according to the April 2020 Oracle Critical Patch Update advisory.

See Also

https://www.oracle.com/security-alerts/cpuapr2020.html

Plugin Details

Severity: Critical

ID: 138074

File Name: oracle_weblogic_server_cve_2020_2883.nbin

Version: 1.42

Type: remote

Family: Web Servers

Published: 7/2/2020

Updated: 3/19/2024

Configuration: Enable thorough checks

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2020-2883

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:oracle:fusion_middleware, cpe:/a:oracle:weblogic_server

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/20/2020

Vulnerability Publication Date: 4/20/2020

Exploitable With

Core Impact

Metasploit (WebLogic Server Deserialization RCE BadAttributeValueExpException ExtComp)

Reference Information

CVE: CVE-2020-2883